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Chrome activation

June 28, 2010

I have a very urgent query regarding the activation of Hard chrome done on cast iron surface.
I have used Cyanide for activation of chrome it works very well but because of aqueous solution it damages iron surface ,which is impossible to repair.
Is there any solution which is non aqueous but can be use as activation solution.

Ravi Gangurde
Process Development - Pune, Maharashtra, India

Cyanide should not be used for activation. Chrome is most frequently activated in the chrome plating tank giving the part a reverse polarity for a few seconds, then slowly ramping up to the normal plating current.

Guillermo Marrufo
Monterrey, NL, Mexico
June 30, 2010

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